{"id":"vidhyamitra:city-day:perth:2090-04-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2090-04-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2090-04-01","date_display":"April 1, 2090 CE","panchanga":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":2090,"month":4,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2484507.770833,"kali_year":5191,"ahargana":1896042.2708,"sun":{"sidereal_longitude":346.6653,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":357.5266,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":10.8613,"elapsed_within_tithi_degrees":10.8613},"nakshatra":{"number":27,"name":"Revatī","pada":4,"moon_longitude":357.5266,"elapsed_within_degrees":10.86},"yoga":{"number":26,"name":"Indra","sum_longitude":344.1919},"karana":{"half_tithi_index":1,"name":"Bava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"sky":{"method":"Sūrya-Siddhāntic Bhāskara-II 4-step iteration with atan2-based śīghra + varying peripheries + lunar latitude","engine_version":"3.0 (Pūrṇa — complete SS implementation)","tradition_sources":"Āryabhaṭīya 499 CE → SS Ch.1-5 Burgess 1860 → Siddhānta-Śiromaṇi Bhāskara II 1150 → Tantrasaṅgraha Nīlakaṇṭha 1501","input":{"year":2090,"month":4,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2484507.770833,"ahargana":1896042.2708,"kali_year":5191,"ayanamsa_lahiri":25.1137,"grahas":{"sun":{"sidereal_longitude":346.70659,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":356.46449,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false,"latitude":-1.4615},"mars":{"sidereal_longitude":334.32008999999994,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":357.04129,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":234.05249000000003,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":10.537689999999998,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":41.41389000000004,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":158.5561,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":338.5561,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"retrograde":false}},"panchang":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":2090,"month":4,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2484507.770833,"kali_year":5191,"ahargana":1896042.2708,"sun":{"sidereal_longitude":346.6653,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":357.5266,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":10.8613,"elapsed_within_tithi_degrees":10.8613},"nakshatra":{"number":27,"name":"Revatī","pada":4,"moon_longitude":357.5266,"elapsed_within_degrees":10.86},"yoga":{"number":26,"name":"Indra","sum_longitude":344.1919},"karana":{"half_tithi_index":1,"name":"Bava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.462,"elongation":10.861},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.462,"opposition_distance":169.139}},"eclipse_window_40days":[{"offset_days":-16,"type":"lunar","occurs":true,"moon_latitude":-0.596,"opposition_distance":0.98},{"offset_days":-1,"type":"solar","occurs":true,"moon_latitude":-0.482,"elongation":0.913}]},"city":{"slug":"perth","name":"Perth, Australia","lat":-31.9505,"lon":115.8605,"tz_offset_hours":8,"country":"AU","tier":"diaspora"},"tier2":{"city":{"slug":"perth","name":"Perth, Australia","lat":-31.9505,"lon":115.8605,"tz_offset_hours":8,"country":"AU","tier":"diaspora"},"sunriseLocal":"06:29","sunsetLocal":"18:13","solarNoonLocal":"12:21","dayLengthHours":11.741810527385088,"dayLengthDisplay":"11 Hours 44 Mins 31 Secs","nightLengthDisplay":"12 Hours 15 Mins 29 Secs","moonriseLocal":"07:18","moonsetLocal":"18:42","rahuKala":{"name":"Rāhu Kāla","start":"09:25","end":"10:53","startHours":9.412918969839586,"endHours":10.880645285762721,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:49","end":"15:17","startHours":13.816097917608992,"endHours":15.28382423353213,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:29","end":"07:57","startHours":6.477466337993314,"endHours":7.94519265391645,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:13","end":"09:37","startHours":9.2172221277165,"endHours":9.608615811962672,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:58","end":"07:17","startHours":6.966708443301026,"endHours":7.2798233906979615,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:57","end":"12:44","startHours":11.956977917439687,"endHours":12.739765285932027,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:55","end":"05:42","startHours":4.9118916010086355,"endHours":5.694678969500975,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:30","end":"06:29","startHours":5.49898212737789,"endHours":6.477466337993314,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:18","end":"15:05","startHours":14.305340022916706,"endHours":15.088127391409046,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:01","end":"18:25","startHours":18.0192768653784,"endHours":18.4192768653784,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:13","end":"18:43","startHours":18.2192768653784,"endHours":18.708518970686114,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:58","end":"19:43","startHours":17.9692768653784,"endHours":19.7192768653784,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:57","end":"00:44","startHours":23.956977917439687,"endHours":24.739765285932023,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:29","end":"07:57","startHours":6.477466337993314,"endHours":7.94519265391645,"quality":"inauspicious"},{"name":"Śubha","start":"07:57","end":"09:25","startHours":7.94519265391645,"endHours":9.412918969839586,"quality":"auspicious"},{"name":"Roga","start":"09:25","end":"10:53","startHours":9.412918969839586,"endHours":10.880645285762721,"quality":"inauspicious"},{"name":"Udveg","start":"10:53","end":"12:21","startHours":10.880645285762721,"endHours":12.348371601685859,"quality":"inauspicious"},{"name":"Chala","start":"12:21","end":"13:49","startHours":12.348371601685859,"endHours":13.816097917608992,"quality":"neutral"},{"name":"Labha","start":"13:49","end":"15:17","startHours":13.816097917608992,"endHours":15.28382423353213,"quality":"auspicious"},{"name":"Amṛta","start":"15:17","end":"16:45","startHours":15.28382423353213,"endHours":16.751550549455267,"quality":"auspicious"},{"name":"Kāla","start":"16:45","end":"18:13","startHours":16.751550549455267,"endHours":18.2192768653784,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:13","end":"19:45","startHours":18.2192768653784,"endHours":19.751550549455263,"quality":"auspicious"},{"name":"Amṛta","start":"19:45","end":"21:17","startHours":19.751550549455263,"endHours":21.28382423353213,"quality":"auspicious"},{"name":"Kāla","start":"21:17","end":"22:49","startHours":21.28382423353213,"endHours":22.816097917608992,"quality":"inauspicious"},{"name":"Śubha","start":"22:49","end":"00:21","startHours":22.816097917608992,"endHours":24.348371601685855,"quality":"auspicious"},{"name":"Roga","start":"00:21","end":"01:53","startHours":24.348371601685855,"endHours":25.88064528576272,"quality":"inauspicious"},{"name":"Udveg","start":"01:53","end":"03:25","startHours":25.88064528576272,"endHours":27.412918969839584,"quality":"inauspicious"},{"name":"Chala","start":"03:25","end":"04:57","startHours":27.412918969839584,"endHours":28.94519265391645,"quality":"neutral"},{"name":"Labha","start":"04:57","end":"06:29","startHours":28.94519265391645,"endHours":30.477466337993313,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:29","end":"07:29","startHours":6.477466337993314,"endHours":7.477466337993314,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:29","end":"08:29","startHours":7.477466337993314,"endHours":8.477466337993313,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:29","end":"09:29","startHours":8.477466337993313,"endHours":9.477466337993313,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:29","end":"10:29","startHours":9.477466337993313,"endHours":10.477466337993313,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:29","end":"11:29","startHours":10.477466337993313,"endHours":11.477466337993313,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:29","end":"12:29","startHours":11.477466337993313,"endHours":12.477466337993313,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:29","end":"13:29","startHours":12.477466337993313,"endHours":13.477466337993313,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:29","end":"14:29","startHours":13.477466337993313,"endHours":14.477466337993313,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:29","end":"15:29","startHours":14.477466337993313,"endHours":15.477466337993313,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:29","end":"16:29","startHours":15.477466337993313,"endHours":16.477466337993313,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:29","end":"17:29","startHours":16.477466337993313,"endHours":17.477466337993313,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:29","end":"18:29","startHours":17.477466337993313,"endHours":18.477466337993313,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:29","end":"19:29","startHours":18.477466337993313,"endHours":19.477466337993313,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:29","end":"20:29","startHours":19.477466337993313,"endHours":20.477466337993313,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:29","end":"21:29","startHours":20.477466337993313,"endHours":21.477466337993313,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:29","end":"22:29","startHours":21.477466337993313,"endHours":22.477466337993313,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:29","end":"23:29","startHours":22.477466337993313,"endHours":23.477466337993313,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:29","end":"00:29","startHours":23.477466337993313,"endHours":24.477466337993313,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:29","end":"01:29","startHours":24.477466337993313,"endHours":25.477466337993313,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:29","end":"02:29","startHours":25.477466337993313,"endHours":26.477466337993313,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:29","end":"03:29","startHours":26.477466337993313,"endHours":27.477466337993313,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:29","end":"04:29","startHours":27.477466337993313,"endHours":28.477466337993313,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:29","end":"05:29","startHours":28.477466337993313,"endHours":29.477466337993313,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:29","end":"06:29","startHours":29.477466337993313,"endHours":30.477466337993313,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Siṃha","Kanyā","Dhanu","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Karka","Tulā","Vṛścika","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-West","rahuVasa":"East","anandadiYoga":{"name":"Gada","quality":"Inauspicious"},"tropicalRitu":"Vasanta (Spring) (tropical)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":4.673214948603559,"eotMinutes":-4.344296101151456,"ayanamsa":25.1137}},"calendars":{"vikram_samvat":2147,"vikram_samvatsara":"Rudhirodgāri","saka_samvat":2012,"saka_samvatsara":"Sādhāraṇa","bengali_samvat":1497,"malayalam_era":1266,"nanakshahi_year":621,"lunar_month":"Caitra","lunar_month_paksha_full":"Caitra Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Caitra","lunar_month_amanta":"Caitra","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Mīna (Paṅkuṇi)","ritu":"Vasanta (Spring)","display_summary":"Caitra Śukla Pratipada · Vikram 2147 Rudhirodgāri · Śaka 2012 Sādhāraṇa"},"festivals":[{"id":"chaitra-navratri-start","name":"Caitra Navrātri Start (Gudhi Padwā)","name_sanskrit":"चैत्र नवरात्रि आरम्भ","tradition":"Shakta","associated_deity":"Devī Durgā (9 forms over 9 nights)","significance":"Spring Navrātri begins; Vasanta-pakṣa Devī worship. Maharashtra: Gudhi Padwā. South: Ugadi. Sindhi: Cheti Chand.","vrata":true,"detection":{"tithi_number":1,"tithi_paksha":"Śukla","lunar_month":"Caitra"},"precedence":1}],"todays_walk":{"walk":{"id":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"perth"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga April 1, 2090 CE · Perth, Australia · Vidhyamitra","description":"April 1, 2090 CE for Perth, Australia: Śukla Pratipada, sūryodaya 06:29, sūryāsta 18:13.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2090-04-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2090-04-01","sa":"https://sa.vidhyamitra.com/city/perth/2090-04-01","hi":"https://hi.vidhyamitra.com/city/perth/2090-04-01","x-default":"https://vidhyamitra.com/city/perth/2090-04-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T16:12:33.071Z","verification":{"type":"multi-marker","confidence":"canonical"}},{"pillar":"Vidhyamitra-Tier2","pillar_version":"0.1.0","method":"Spherical astronomy + Lahiri ayanamsa + standard solar declination + EoT correction","retrieved_at":"2026-05-31T16:12:33.071Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T16:12:33.071Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}